2022年高考复习状语从句的省略 .docx

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1、精品_精品资料_状语从句的省略适用学科英语适用年级高三适用区域全国课时时长分钟1 课时/60 分钟学问点状语从句的省略教学目标学问：状语从句的省略方法：简明扼要的讲解,并配套经典习题的练习才能：提升对状语从句的省略的的娴熟程度教学重点状语从句的省略教学难点把握规律,正确做题可编辑资料 - - - 欢迎下载精品_精品资料_教学过程一、 课堂导入第一让同学们明确,什么是省略：1. 省略是一种防止重复、保持简洁的语法手段.2. 但凡缺少一个或一个以上的必要语言成分,但在肯定语境中能够独立存在,意义明确,并且能发挥交际功能的句子就是省略句.可编辑资料 - - - 欢迎下载精品_精品资料_二、复习预习对

2、上一节课的时间状语从句布置的作业进行讲解,点评,让同学们通过讲评能够复习上节课的学问.之后让我们先看下面两道历年高考试题, 并请同学们先争论如何挑选, 同时老师留意发觉同学们的盲点：1. When, the museum will be open to the public next year.A. completed B. completing C. being completed D. to be completed2022年上海春季试题 2.Unlessto speak, you should remain silent at the conference.A. invited B. i

3、nviting C. being invited D. having invited可编辑资料 - - - 欢迎下载精品_精品资料_三、学问讲解学问点 1：什么是状语从句的省略我们在使用时间、的点、条件、让步、缘由、比较或方式等之类的状语从句时,假如其中谓语部分含有to be 的任何一种形式,而主语又与主句的主语相一样或主语为it 时,为防止重复,使语言生动、自然、简洁,常可以省略从句德主语和谓语的部分,特殊是动词be.这种现象称为状语从句的省略.下面做 简要例析.可编辑资料 - - - 欢迎下载精品_精品资料_1【考查点】 时间状语从句的省略.这类从句主要由 when, while ,as

4、soon as,once, until 等引导.例如： 1.When he was still a boy of ten, he started working to support himself. 2.Dont leave the machine till you are told to.3.Ill let you know as soon as it is arranged.但要留意, before 和 after 虽然也可以用作连词引导时间状语从句,却不能用于这类省略主语和be的结构.例如：The plan should be discussed once again before i

5、t is carried out.上句不能改为：The plan should be discussed once again before carried out.可编辑资料 - - - 欢迎下载精品_精品资料_上句也可以改为：The plan should be discussed once again before being carried ou句t. 中 before 不是连词而是介词,后面的 being carried out 是 V-ing 形式短语作介词的宾语,整个句子是简洁句,而 不是复合句.可编辑资料 - - - 欢迎下载精品_精品资料_2【考查点】 的点状语从句中的省略.

6、主要由 where, wherever引导.例如： 1.He is always ready to help others wherever he is needed.2.You can add some words to your composition where it is necessary.可编辑资料 - - - 欢迎下载精品_精品资料_3【考查点】 条件状语从句的省略.主要由 if ,unless 引导.例如： 1.She wont go to his birthday party unless she is invited.2.The news is quite importan

7、t to us, if it is true.但假设 if 引导的是表示假设的虚拟条件句, 虽具备条件, 可不能用于这类省略.另外,当 once 作 一旦,一经解,连接时间或条件状语从句,其主语与主句的主语相同或其主语为it + be 时,常省略从句中的主语或 it + be.例如：Once it was published, his work became famous for the absence of rhyme at the end of each line.Once you lose confidence, you can never expect to do your work

8、well.可编辑资料 - - - 欢迎下载精品_精品资料_4【考查点】 让步状语从句的省略. 主要由 though,although,however,whatever,even if,even though, no matter how/what引导.例如：1. Though he had been defeated many times, he didnt lose heart.2. They worked very hard, though he was still rather weak.与 if 引导的虚拟条件从句不能用这类省略一样,as引导的让步状语从句同样不能省略.不过假如让步 状

9、语从句由 as引导时,从句中的表语一般是形容词或名词或状语必需提前到as 前,构成倒装.假如作表语的是单数可数名词,就仍须省略不定冠词.例如：Poor as he was, he was honest.Hard as he tried, he still failed.可编辑资料 - - - 欢迎下载精品_精品资料_5【考查点】 缘由状语从句的省略.主要由 because引导.例如：1. He decided not to watch the foot ball match because he was not himself.2.I forget to post the letter for

10、 you because I was too busy.可编辑资料 - - - 欢迎下载精品_精品资料_6【考查点】比较状语从句的省略.主要由as, than 引导.例如： 1.In winter it is much colder in Beijing than it is in Shanghai.2. The project was completed earlier than it was expected.3. Mary is not so shy as she was a year ago when I first met her.可编辑资料 - - - 欢迎下载精品_精品资料_7【

11、考查点】 方式状语从句的省略.主要由 as, as if 引导.例如：1. The old man sat at the corner alone, as if he was thinking of something.2. English is not so difficult to learn, as it is generally supposed.可编辑资料 - - - 欢迎下载精品_精品资料_四、例题精析【例题 1】Whenfor his views about his teaching job, Philip said he found it very interesting an

12、d rewarding.A. askingB. askedC. having askedD. to be asked【答案】 B【解析】 B. When asked=When he was asked状, 语从句的简化.可编辑资料 - - - 欢迎下载精品_精品资料_I have a tight budget for the trip, so I m not going to flythe airlines lower ticket prices.AonceBifCafterDUnless【答案】 D【解析】句意为：我最近没钱旅行,所以假如航空公司不降价,我就不准备坐飞机了.unless除非,

13、 假如不.可编辑资料 - - - 欢迎下载精品_精品资料_We all know that, the situation will get worse.A. not if dealt carefully withB. if not carefully dealt withB. C. if dealt not carefully withD. not if carefully dealt with可编辑资料 - - - 欢迎下载精品_精品资料_【答案】 B【解析】 B 句子复原为： If it is not carefully dealt with状语从句的省略.可编辑资料 - - - 欢迎下载

14、精品_精品资料_【例题 4】1、The experiment shows that proper amounts of exercise, ifregularly, can improve our health.A. being carried outB. carrying outC. carried outD. to carry out【答案】 C【解析】 C. 考查 if 条件句中的省略情形.本句的句子的主语是the experiment.谓语动词是 shows.that 引导宾语从句 , 宾语从句的主干是： proper amounts of exercise can improve o

15、ur health, ifregularly是插入的条件从句 , 从句的主语是 proper amounts of exercise, 此时应用 it 代替前面提到的主语 , 条件句的主语与主句的主语一样 , 并且含有 is, 故省略了 it is, 完整形式是： if it is carried out .句意为：这项试验说明, 适当的运动 , 假如有规律的进行 , 能够有助于我们的身体健康.可编辑资料 - - - 欢迎下载精品_精品资料_课程小结综上所述,不难发觉：这些省略形式的状语从句大都以从属连词 +形容词副词、介词短语、不定式短语、现在分词或过去分词 构成的.省略后的句子不仅意思清晰,不会引起误会,而且结构紧凑, 语言简练流畅,读起来明快生动.可编辑资料 - - - 欢迎下载